<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>自定义登陆页面</title>
    <style>
        form {
            width: 400px;
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
        }
    </style>
</head>
<body>
<form action="/user/login" method="post">
    <h1> dso认证服务</h1>
    <input name="username" value="zhangsan"/>
    <input name="password" value="123456"/>
    <button type="submit">登陆</button>
</form>
<a href="/user/logout">退出登陆</a>
</body>
</html>